PubMed:32118389 / 1965-1967
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T404","span":{"begin":0,"end":2},"obj":"CD"}],"text":"19"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok439","span":{"begin":0,"end":2},"obj":"CD"}],"text":"19"}
MeasurableQuantitativeAnnotation
{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"N7","span":{"begin":0,"end":2},"obj":"num"}],"text":"19"}